Examples
This is a sample output from the show msdp sa-cache command:
RP/0/0/CPU0:router# show msdp sa-cache
MSDP Flags:
E - set MRIB E flag, L - domain local source is active,
EA - externally active source, PI - PIM is interested in the group,
DE - SAs have been denied.
Cache Entry:
(10.10.5.102, 239.1.1.1), RP 10.10.4.3, MBGP/AS 20, 15:44:03/00:01:17
Learned from peer 10.10.2.2, RPF peer 10.10.2.2
SA's recvd 1049, Encapsulated data received: 0
grp flags: PI, src flags: E, EA, PI
This table describes the significant fields shown in the display.
Table 4 show msdp sa-cache Field Descriptions
Field |
Description |
(10.10.5.102, 239.1.1.1) |
The first address (source) is sending to the second address (group). |
RP 10.10.4.3 |
Rendezvous point (RP) address in the originating domain where the SA messages started. |
MBGP/AS 20 |
RP is in autonomous system AS 20 according to the unicast RPF table:
-
If Multiprotocol Border Gateway Protocol (MBGP) is not configured—RIB table 1.
-
If MBGP is configured—RIB table 2 or multicast table.
|
15:44:03/00:01:17 |
The route has been cached for 15 hours, 44 minutes, and 3 seconds. If no SA message is received in 1 minute and 17 seconds, the route is removed from the SA cache. |
Encapsulated data received: 0 |
MSDP SA captures any data information when the source starts so that the receiver does not miss data when the SA path is established. |
The following is sample output using the all keyword option:
RP/0/0/CPU0:router# show msdp sa-cache all
MSDP Flags:
E - set MRIB E flag , L - domain local source is active,
EA - externally active source, PI - PIM is interested in the group,
DE - SAs have been denied. Timers age/expiration,
Cache Entry:
(*, 239.1.1.1), RP 0.0.0.0, MBGP/AS 0, 06:32:18/expired
Learned from peer local, RPF peer local
SAs recvd 0, Encapsulated data received: 0 grp flags: PI, src flags:
This table describes the significant fields shown in the display.
Table 5 show msdp sa-cache all Field Descriptions
Field |
Description |
(*, 239.1.1.1) |
Protocol Independent Multicast (PIM) interest in the group due to a local Internet Group Management Protocol (IGMP) join. |
RP 0.0.0.0 |
There is no RP associated with this entry. |
MBGP/AS 0 |
This entry is 0, autonomous system (AS) rendezvous point (RP) is null. |
06:32:18/expired |
Route is alive in hours, minutes, and seconds. Note that MSDP does not monitor this route as it is received from the MRIB and PIM. |
The following is sample output using the summary keyword option:
RP/0/0/CPU0:router# show msdp sa-cache summary
Total # of SAs = 3
Total # of RPs = 2
Total # of Sources = 1
Total # of Groups = 3
Originator-RP SA total RPF peer
172.16.1.1 0 0.0.0.0
172.17.1.1 3 172.17.1.1
AS-num SA total
200 3
This table describes the significant fields shown in the display.
Table 6 show msdp sa-cache summary Field Descriptions
Field |
Description |
Total # of SAs |
Total number of SAs that are currently active in the system. |
Total # of RPs |
Total number of RPs that have distributed the SA information to this system. |
Total # of Sources |
Total number of sources that are active from all domains. |
Total # of Groups |
Total number of groups to which sources are sending data from all domains. |
Originator-RP |
SA information based on the individual RPs and the originating domains that distributed them. |
AS-num |
SA information based on the originating autonomous system. |
The following is sample output using the asnum keyword option:
RP/0/0/CPU0:router# show msdp sa-cache asnum 200
MSDP Flags:
E - set MRIB E flag , L - domain local source is active,
EA - externally active source, PI - PIM is interested in the group,
DE - SAs have been denied. Timers age/expiration,
Cache Entry:
(172.31.1.1, 239.1.1.1), RP 5.1.1.1, MBGP/AS 200, 00:00:25/00:02:04
Learned from peer 5.1.1.1, RPF peer 172.17.1.1
SAs recvd 1, Encapsulated data received: 100
grp flags: none, src flags: EA
(172.31.1.1, 239.1.1.2), RP 172.17.1.1, MBGP/AS 200, 00:00:16/00:02:13
Learned from peer 172.17.1.1, RPF peer 172.17.1.1
SAs recvd 1, Encapsulated data received: 100
grp flags: none, src flags: EA
(172.31.1.1, 239.1.1.3), RP 172.17.1.1, MBGP/AS 200, 00:00:13/00:02:16
Learned from peer 172.17.1.1, RPF peer 172.17.1.1
SAs recvd 1, Encapsulated data received: 100
grp flags: none, src flags: EA